2-[(1S,2S,3S,4S,6R,7S)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-3-hydroxymethyl-4,7-bis-methoxymethoxy-3-methyl-bicyclo[2.2.2]oct-2-yl]-ethanol 在
pyridinium chlorochromate 作用下,
以62%的产率得到(1S,2R,3S,4S,5R,8S)-5-(tert-Butyl-diphenyl-silanyloxymethyl)-1,8-bis-methoxymethoxy-2-methyl-3-(2-oxo-ethyl)-bicyclo[2.2.2]octane-2-carbaldehyde